java.lang.NullPointerException: Attempt to invoke virtual method 'void com.android.bluetooth.gatt.ServiceDeclaration.addCharacteristic(java.util.UUID, int, int)' on a null object reference

GitHub | tbocek | 7 months ago
  1. 1

    NullPointer nr. 2

    GitHub | 7 months ago | tbocek
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.android.bluetooth.gatt.ServiceDeclaration.addCharacteristic(java.util.UUID, int, int)' on a null object reference
  2. 0

    Android BLE Peripheral: NPE while adding service to server

    Stack Overflow | 1 year ago | 4ntoine
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.googlecode.protobuf.blerpc.server/com.googlecode.protobuf.blerpc.server.MyActivity}: java.lang.NullPointerException
  3. 0
    samebug tip
    Initialize the variable before calling a method on it.
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  5. 0
    samebug tip
    Use 'dialog' to access views from custom_layout layout.
  6. 0

    Acil yardım | Geleceği Yazanlar

    com.tr | 1 year ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.uygulama/com.uygulama.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setPadding(int, int, int, int)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void com.android.bluetooth.gatt.ServiceDeclaration.addCharacteristic(java.util.UUID, int, int)' on a null object reference

      at android.os.Parcel.readException()
    2. Android Platform
      BluetoothGattServer.addService
      1. android.os.Parcel.readException(Parcel.java:1626)
      2. android.os.Parcel.readException(Parcel.java:1573)
      3. android.bluetooth.IBluetoothGatt$Stub$Proxy.addCharacteristic(IBluetoothGatt.java:1376)
      4. android.bluetooth.BluetoothGattServer.addService(BluetoothGattServer.java:590)
      4 frames
    3. com.coinblesk.payments
      AbstractPeer.start
      1. com.coinblesk.payments.communications.peers.bluetooth.cltv.BluetoothLEServer.onStart(BluetoothLEServer.java:118)
      2. com.coinblesk.payments.communications.peers.AbstractPeer.start(AbstractPeer.java:48)
      2 frames
    4. com.coinblesk.client
      MainActivity$7.onReceive
      1. com.coinblesk.client.MainActivity.startServers(MainActivity.java:580)
      2. com.coinblesk.client.MainActivity.access$500(MainActivity.java:109)
      3. com.coinblesk.client.MainActivity$7.onReceive(MainActivity.java:522)
      3 frames
    5. Android Support v4
      LocalBroadcastManager$1.handleMessage
      1. android.support.v4.content.LocalBroadcastManager.executePendingBroadcasts(LocalBroadcastManager.java:297)
      2. android.support.v4.content.LocalBroadcastManager.access$000(LocalBroadcastManager.java:46)
      3. android.support.v4.content.LocalBroadcastManager$1.handleMessage(LocalBroadcastManager.java:116)
      3 frames
    6. Android Platform
      ActivityThread.main
      1. android.os.Handler.dispatchMessage(Handler.java:102)
      2. android.os.Looper.loop(Looper.java:148)
      3. android.app.ActivityThread.main(ActivityThread.java:5417)
      3 frames
    7. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    8. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames